WO2009040612A1 - Raccord à couvercles amovibles - Google Patents

Raccord à couvercles amovibles Download PDF

Info

Publication number
WO2009040612A1
WO2009040612A1 PCT/IB2007/054338 IB2007054338W WO2009040612A1 WO 2009040612 A1 WO2009040612 A1 WO 2009040612A1 IB 2007054338 W IB2007054338 W IB 2007054338W WO 2009040612 A1 WO2009040612 A1 WO 2009040612A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
pcb
housing
sidewalls
elements
Prior art date
Application number
PCT/IB2007/054338
Other languages
English (en)
Inventor
Koon Poh Tay
Original Assignee
Fci
Fci Connectors Singapore Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fci, Fci Connectors Singapore Pte Ltd filed Critical Fci
Priority to PCT/IB2007/054338 priority Critical patent/WO2009040612A1/fr
Priority to CN200780100811.7A priority patent/CN101809819B/zh
Priority to US12/733,923 priority patent/US8133063B2/en
Publication of WO2009040612A1 publication Critical patent/WO2009040612A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/44—Means for preventing access to live contacts
    • H01R13/447—Shutter or cover plate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB

Definitions

  • the present invention relates broadly to a connector such as receptacle connectors.
  • Receptacle connectors such as SCA-2 receptacles are often soldered onto printed circuit board (PCBs).
  • PCBs printed circuit board
  • pick-up devices or caps are typically utilised to allow the pick and place process for the receptacles to be positioned on the PCBs.
  • receptacle connectors such as SCA-2 receptacles
  • surface mount type electrical terminals are typically provided.
  • a recess is typically formed in the walls of the receptacle in the areas of the solder tails of the terminals, for facilitating soldering, inspection, and maintenance of the solder connections.
  • the existence of the recesses is associated with a number of disadvantages, including that the solder connections, in a mounted state of the receptacle on a PCB, are potentially exposed to dust or other particles, which can result in damage or deterioration of the solder connections. Furthermore, electrical shortening of adjacent terminals may be caused.
  • an electrical connector which has a housing; one or more recesses formed in one or more sidewalls of the housing; a plurality of terminals disposed in respective portions of the housing such that solder tails of the terminals are accessible through the one or more recesses; and one or more cover elements removably coupled to the one or more sidewalls of the housing such that, in a mounted state of the connector on a PCB, the solder tails are enclosed by the one or more cover elements.
  • Example embodiments of the invention can achieve a number of advantages, including protection of the solder connections to the solder tails of terminals of the receptacle by way of the one or more cover elements.
  • Figure 1 is a perspective bottom view of the SCA-2 receptacle connector according to an embodiment of the present invention.
  • Figure 2 is a perspective top view of the SCA-2 receptacle connector of Figure 1.
  • Figure 3 is a perspective top view of the SCA-2 receptacle connector of Figure 1 , with covers removed.
  • Figure 4 is a perspective bottom view of the SCA-2 receptacle connector according to another embodiment of the present invention.
  • FIG 1 shows a perspective bottom view of a SCA-2 (SCA-2 Receptacle 40 Pos Extended Height Vertical SMT) receptacle connector 10 according to an example embodiment.
  • the receptacle connector 10 is molded using high temperature thermo-plastic in the example embodiment, to accommodate electrical terminals 12, 14.
  • the receptacle connector 10 has two arrays 11 , 13 of terminals, arranged on different sides of the receptacle connector 10.
  • the first array 11 consists of twenty terminals e.g. 12 of 1.27mm pitch and is located towards one side of the receptacle connector 10, along one edge thereof, each terminal 12 being positioned in their respective chambers 20.
  • the terminals 12 of the first array 11 usually connect signal lines, and are made from copper alloy in the example embodiment.
  • the second array 13 consists of twenty terminals 14 of 1.27mm pitch .
  • the second array 13 is located towards the other edge of the receptacle connector 10 which is opposite to the edge having the first array 11.
  • the terminals 14 of the second array are positioned in respective chambers 24.
  • the terminals 14 of the second array are positioned in respective chambers 24.
  • Each of the ends of the receptacle connector 10 is terminated with a vertically positioned pillar 36 having a horizontally positioned base 38.
  • a metallic bent T-shaped solder tail-type clip or hold down 40 is provided to enable the receptacle connector 10 to be held down on a PCB.
  • the hold down 40 is made from copper alloy in the example embodiment, and is inserted from the bottom (i.e. the face facing the PCB in a mounted configuration) of the connector 10.
  • each T-shaped hold down 40 is soldered onto the PCB using e.g. a suitably positioned solder ball on the PCB.
  • the T-shaped hold downs 40 facilitate a better solderbility during the connection process, inter alia due to an increased number of corner structures on the solder tail, which can facilitate solderability.
  • the larger surface area to get in contact with the PCB also provides for improved solderability, as well as the T-shape of the hold down 40.
  • the bent hold downs 40 after being solder connected to the PCB, advantageously provide biased movability of the receptacle connector 10 due to the resilience of the metal material, and advantageously in three dimensions. It will be appreciated that more than two hold downs may be provided in different embodiments.
  • the tail portions e.g. 42, 44, of the electrical terminals 12, 14 are of the surface mount type. It will be appreciated that other tail portion configurations are possible in other embodiments. Access to the tail portions e.g. 42, 44 is provided, in a mounted state of the receptacle connector 10 on a PCB, by respective longitudinal recesses 46, 49 in a peripheral wall 51 of the receptacle connector 10. The recesses 46, 49 form edge openings allowing access to the tail portions e.g. 42, 44 of the electrical terminals 12, 14, the tail portions e.g. 42, 44 being positioned, in a mounted state of the receptacle connector 10 on a PCB, vertically between the surface of the PCB, and the recess wall 51 in the areas of the recesses 46, 49 respectively.
  • Removable covers 56, 58 are provided on respective sidewalls 59, 60 of the receptacle connector 10, and in the areas of the recesses 46, 49 respectively.
  • the covers 56, 58 are removably connected to the respective sidewalls 59, 60 by mating slide-in connector elements. Details of the connection of the covers 56, 58 to the connector 10 will be described below with reference to Figure 3.
  • the covers 56, 58 further comprise recesses e.g. 74, 76 formed in respective outer walls 80, 82, for facilitating, in a mounted state of the receptacle connector 10 on a PCB, vertical removal of the covers 56, 58.
  • the covers 56, 58 are inserted after the receptacle connector 10 is mounted on the PCB.
  • the covers 56, 58 can be inserted manually.
  • the covers 56, 58 advantageously provide protection of the tail portions e.g. 42, 44, and in particular the solder connections to the tail portions e.g. 42, 44 in a connected state of the receptacle on a PCB.
  • the solder connections to the tail portions e.g. 42, 44 may be protected from dust or other particles, which may otherwise damage or deteriorate the solder connections, or may lead to electrical shortening of adjacent solder connections, i.e. terminal connections.
  • the covers 56, 58 are moulded from the same material as the receptacle connector 10.
  • a pick-up device in the form of a metal cap 48 is also shown in Figure 1.
  • Cap 48 comprises a main body 50, and wall portions e.g. 52 extending from the main body 50. Wall portions corresponding to, and being a mirror image of, wall portions e.g. 52 are provided on the opposite side of the main body 50 (compare also Figure 3).
  • the wall portions e.g. 52, and the corresponding wall portions on the opposite side resiliently engage the sidewalls 59, 60 of the receptacle connector 10.
  • the receptacle connector 10 further comprises offset locator post 84, 86 formed at opposing ends of the two arrays 11 , 13 of terminals 12, 14.
  • the locator post 84, 86 are integrally moulded with the receptacle connector 10.
  • the locator post 84, 86 facilitate polarizing during mounting of the receptacle connector 10 onto a PCB. It will be appreciated that more than two offset locator posts may be provided in different embodiments.
  • Figure 2 shows a perspective top view of the receptacle connector 10, illustrating the positioning of the covers e.g. 58 to protect the tail portions (hidden), in a mounted state of the receptacle connector 10 on a PCB.
  • recesses or slots e.g. 76 are formed on the outer wall e.g. 82 of the covers e.g.
  • the receptacle connector 10 further comprises respective base 38, for providing increased stability in a mounted state of the receptacle connector 10 on a PCB.
  • Figure 2 also illustrates the metal pickup cap 48, removably positioned for pick-up of the receptacle connector 10.
  • FIG 3 shows a perspective top view of the receptacle connector 10, with the covers e.g. 58 removed from the mounted state, exposing the tail portions e.g. 44.
  • each cover 56, 58 comprises three trapezoidal key elements e.g. 62 one at each end, and one centrally located, for locking the covers 56, 58 to the sidewalls e.g. 60, i.e. to the receptacle connector 10.
  • rim portions e.g. 90 are formed to support the covers e.g. 58 in the mounted state, with the key elements being received in slots e.g. 70 between adjacent rim portions, e.g. between rim portions 90 and 92.
  • the trapezoidal key elements e.g. 62 are formed on respective inner walls e.g. 66 thereof. As will be appreciated by a person skilled in art, the trapezoidal key elements are arranged for slide-in engagement into the slots for vertical, frictional slide-in connection of the covers 56, 58 to the respective sidewalls e.g. 60.
  • FIG. 4 shows a perspective bottom view of a receptacle connector 100 according to another embodiment of the present invention.
  • the receptacle connector 100 is in most regards identical to the receptacle connector 10 described above with reference to Figures 1 to 3, in particular in relation to the provision of covers 156, 158 for protection of solder connections to the tail portions e.g. 142, 144 of the electrical terminals 112, 114.
  • the T-shaped hold downs are replaced by metal fork lock clips 200, at each of the ends of the receptacle connector 100, and more particular at the base portions 138 of the pillars 136 at each of the ends of the receptacle connector 100.
  • the fork lock clips 200 are arranged for cooperation with corresponding locking elements on a PCB, typically formed in conjunction with a through-opening on the
  • PCB PCB.
  • the example embodiments described can achieve a number of advantages, including protection of the solder connections to the solder tails of terminals of the receptacle by way of removable covers.
  • removable covers can be varied in different embodiments, depending on the overall design of the receptacle, and in particular the disposition of the tail portions of the terminals of the different receptacle designs.
  • removable engagement between the covers and the body of the receptacles can be implemented in a number of different ways, including key elements of any other suitable shape, in different embodiments.

Abstract

La présente invention concerne un raccord électrique qui comprend un boîtier ; un ou plusieurs évidements formés dans une ou plusieurs parois latérales du boîtier ; une pluralité de bornes disposées dans des parties respectives du boîtier de telle sorte que les extrémités de soudure des bornes soient accessibles par l'intermédiaire du ou des évidements ; et un ou plusieurs éléments de couvercle couplés de manière amovible à une ou plusieurs parois du boîtier, de telle sorte que, dans un état monté du raccord sur une carte de circuits imprimés, les extrémités de soudure soient contenues par le ou les éléments de couvercle.
PCT/IB2007/054338 2007-09-27 2007-09-27 Raccord à couvercles amovibles WO2009040612A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/IB2007/054338 WO2009040612A1 (fr) 2007-09-27 2007-09-27 Raccord à couvercles amovibles
CN200780100811.7A CN101809819B (zh) 2007-09-27 2007-09-27 具有可拆除罩盖的连接器
US12/733,923 US8133063B2 (en) 2007-09-27 2007-09-27 Connector with removable covers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2007/054338 WO2009040612A1 (fr) 2007-09-27 2007-09-27 Raccord à couvercles amovibles

Publications (1)

Publication Number Publication Date
WO2009040612A1 true WO2009040612A1 (fr) 2009-04-02

Family

ID=40510779

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/054338 WO2009040612A1 (fr) 2007-09-27 2007-09-27 Raccord à couvercles amovibles

Country Status (3)

Country Link
US (1) US8133063B2 (fr)
CN (1) CN101809819B (fr)
WO (1) WO2009040612A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103515758B (zh) * 2012-06-21 2016-03-09 凡甲电子(苏州)有限公司 插座连接器
CN107871941B (zh) * 2016-09-27 2020-01-24 富士康(昆山)电脑接插件有限公司 卡缘连接器
CN209896420U (zh) * 2016-10-28 2020-01-03 3M创新有限公司 拾取和放置盖体以及包括其的组件
DE102018101667B3 (de) * 2018-01-25 2019-04-11 Lumberg Connect Gmbh Steckverbinder mit Sekundärsicherung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470237A (en) * 1994-06-20 1995-11-28 Elco Corporation Latch mechanism for joining the cover and connector of a removable memory device
EP0918379A2 (fr) * 1997-11-24 1999-05-26 Thomas & Betts International, Inc. Couvercle pour un connecteur monté sur le bord d'un circuit imprimé
KR19990062762A (ko) * 1997-12-03 1999-07-26 루이스 에이. 헥트 회로 기판 장착식 전기 커넥터 조립체 및 그 조립 방법ㄱ
KR20060093873A (ko) * 2005-02-23 2006-08-28 주식회사 팬택 이동통신단말기의 외부 이물질 유입방지를 위한 인아웃 커넥터 장치

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4780095A (en) * 1987-03-17 1988-10-25 Digital Equipment Corporation Edge connector for circuit boards
WO1993018559A1 (fr) * 1992-03-06 1993-09-16 Augat Inc. Systeme d'interconnexion plat destine aux cartes de circuits
US5358413A (en) * 1992-12-08 1994-10-25 The Whitaker Corporation Right-angle board-mountable electrical connector with precision terminal positioning
US5692912A (en) * 1995-06-14 1997-12-02 Molex Incorporated Electrical connector with terminal tail aligning device
TWI275213B (en) * 2004-06-11 2007-03-01 Hon Hai Prec Ind Co Ltd Electrical connector
JP4498914B2 (ja) * 2004-12-27 2010-07-07 矢崎総業株式会社 固定金具
US7883344B1 (en) * 2008-09-26 2011-02-08 Emc Corporation Electrical connector

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5470237A (en) * 1994-06-20 1995-11-28 Elco Corporation Latch mechanism for joining the cover and connector of a removable memory device
EP0918379A2 (fr) * 1997-11-24 1999-05-26 Thomas & Betts International, Inc. Couvercle pour un connecteur monté sur le bord d'un circuit imprimé
KR19990062762A (ko) * 1997-12-03 1999-07-26 루이스 에이. 헥트 회로 기판 장착식 전기 커넥터 조립체 및 그 조립 방법ㄱ
KR20060093873A (ko) * 2005-02-23 2006-08-28 주식회사 팬택 이동통신단말기의 외부 이물질 유입방지를 위한 인아웃 커넥터 장치

Also Published As

Publication number Publication date
CN101809819A (zh) 2010-08-18
US8133063B2 (en) 2012-03-13
US20100297859A1 (en) 2010-11-25
CN101809819B (zh) 2013-01-23

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